os you will also need  Steinberg VST STK
https://www.steinberg.net/en/company/developers.html

On Tue, 14 Mar 2017, Alex Weiss wrote:

> Hi,
> I'm trying to find the sources for vst4cs so I can build the opcodes for
> macos. Alternatively, if a csound package exists for mac that includes vst4cs,
> that would be even better. I'm aware that the sources are not on github or
> sourceforge due to the VST SDK license restrictions, but I was under the
> impression they'd be somewhere or that the precompiled packages would contain
> them. All I can find is Michael Gogins' Windows installer that includes them.
> 
> Given that these opcodes don't seem to be included in any standard
> distribution and given how hard they are to find and track down (I just found
> an email I sent to the list back in 2012 asking the same question) it might be
> a good idea to either remove the manual entries for them or at least add a
> note as to where to find and how to install them.
> 
> Thanks,
> Alex
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